Aqua cube



FIG. 1 is a perspective view of aqua cube showing my new design;

FIG. 2 is another perspective view;

FIG. 3 is a front plan view;

FIG. 4 is a back plan view;

FIG. 5 is a left plan view;

FIG. 6 is a right plan view;

FIG. 7 is a downward plan view; and,

FIG. 8 is an upward plan view. 

The ornamental design for aqua cube in appearance and pattern, as shown and described in the drawings. 